Holds seven hex drivers, available on amazon: https://www.amazon.com/driver-Screwdriver-Helicopter-Precision-Engineering/dp/B07V8SNSNV/ref=sr_1_6?crid=C3KBL5U32KZI&keywords=rc+screwdriver+set&qid=1640736886&sprefix=rc+screw%2Caps%2C86&sr=8-6

Many similar tools are available on Amazon if you search for “RC hex driver” or “RC screwdriver”.

This prints as 4 pieces, the holder, the base and two pieces that form the post.